/*
 * Copyright 2007 - 2025 Ralf Wisser.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.sf.jailer.modelbuilder;

import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.NClob;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Statement;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import net.sf.jailer.database.Session;
import net.sf.jailer.util.CancellationHandler;
import net.sf.jailer.util.CellContentConverter;

/**
 * Memorized Result set.
 */
public class MemorizedResultSet implements ResultSet {

	private final List<Object[]> rowList;
	private int index = -1;
	private boolean wasNull;
	MemorizedResultSetMetaData resultSetMetaData;

	public MemorizedResultSet(List<Object[]> rowList) {
		this.rowList = rowList;
	}

	public MemorizedResultSet(List<Object[]> rowList, int numCol, String[] names, int[] types, String[] typeNames) {
		this.rowList = rowList;
		this.resultSetMetaData = new MemorizedResultSetMetaData(numCol, names, types, typeNames);
	}

	public MemorizedResultSet(List<Object[]> rowList, int numCol, String[] names, int[] types) {
		this.rowList = rowList;
		String[] typeNames = new String[types.length];
		for (int i = 0; i < typeNames.length; ++i) {
			typeNames[i] = "";
		}
		this.resultSetMetaData = new MemorizedResultSetMetaData(numCol, names, types, typeNames);
	}

	public MemorizedResultSet(List<Object[]> rowList, MemorizedResultSetMetaData resultSetMetaData) {
		this.rowList = rowList;
		this.resultSetMetaData = resultSetMetaData;
	}

	public void reset() {
		index = -1;
	}

	public int getSize() {
		return rowList.size();
	}

	public List<Object[]> getRowList() {
		return rowList;
	}

	public MemorizedResultSet(ResultSet resultSet, Integer limit, Session session, Object cancellationContext)
			throws SQLException {
		this(resultSet, limit, session, cancellationContext, null, null);
	}

	public MemorizedResultSet(ResultSet resultSet, Integer limit, Session session, Object cancellationContext, int[] projection, String[] columnNames)
			throws SQLException {
		this.rowList = new ArrayList<Object[]>();
		ResultSetMetaData rmd = resultSet.getMetaData();
		prepareHook(rmd);
		CellContentConverter cellContentConverter = new CellContentConverter(rmd, session, session.dbms);
		final int numCol = projection == null? rmd.getColumnCount() : projection.length;

		final String[] names = new String[numCol];
		final int[] types = new int[numCol];
		final String[] typeNames = new String[numCol];
		for (int i = 1; i <= numCol; ++i) {
			names[i - 1] = columnNames == null? rmd.getColumnName(projection == null? i : projection[i - 1]) : columnNames[i - 1];
			types[i - 1] = rmd.getColumnType(projection == null? i : projection[i - 1]);
			typeNames[i - 1] = rmd.getColumnTypeName(projection == null? i : projection[i - 1]);
		}

		while (resultSet.next()) {
			readRowHook(resultSet);
			Object[] row = new Object[numCol];
			for (int i = 1; i <= numCol; ++i) {
				final int finalI = i;
				row[i - 1] = convertCellContent(() -> cellContentConverter.getObject(resultSet, projection == null? finalI : projection[finalI - 1]));
			}
			rowList.add(row);
			if (limit != null && rowList.size() > limit) {
				break;
			}
			if (cancellationContext != null) {
				CancellationHandler.checkForCancellation(cancellationContext);
			}
		}
		resultSetMetaData = new MemorizedResultSetMetaData(numCol, names, types, typeNames);
	}

	protected void prepareHook(ResultSetMetaData rmd) throws SQLException {
	}

	protected void readRowHook(ResultSet resultSet) throws SQLException {
	}

	@FunctionalInterface
	public interface ContentSupplier {
		Object get() throws SQLException;
	}

	protected Object convertCellContent(ContentSupplier objectSupplier) throws SQLException {
		return objectSupplier.get();
	}

	public void removeNullRows(int columnIndex) {
		if (rowList != null) {
			Iterator<Object[]> i = rowList.iterator();
			while (i.hasNext()) {
				if (i.next()[columnIndex - 1] == null) {
					i.remove();
				}
			}
		}
	}

	@Override
	public Object getObject(int columnIndex) throws SQLException {
		Object[] row = rowList.get(index);
		Object c;
		if (columnIndex > row.length) {
			c = null;
		} else {
			c = row[columnIndex - 1];
		}
		wasNull = c == null;
		return c;
	}

	@Override
	public String getString(int columnIndex) throws SQLException {
		return (String) getObject(columnIndex);
	}

	@Override
	public int getInt(int columnIndex) throws SQLException {
		Integer c = (Integer) getObject(columnIndex);
		if (c == null) {
			return 0;
		}
		return c;
	}

	@Override
	public boolean getBoolean(int columnIndex) throws SQLException {
		int i = getInt(columnIndex);
		return i != 0 && !wasNull;
	}

	@Override
	public boolean wasNull() throws SQLException {
		return wasNull;
	}

	@Override
	public boolean next() throws SQLException {
		++index;
		return index < rowList.size();
	}

	@Override
	public void close() throws SQLException {
	}

	@Override
	public boolean isWrapperFor(Class<?> iface) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public <T> T unwrap(Class<T> iface) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean absolute(int row) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void afterLast() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void beforeFirst() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void cancelRowUpdates() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void clearWarnings() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void deleteRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int findColumn(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean first() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Array getArray(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Array getArray(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public InputStream getAsciiStream(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public InputStream getAsciiStream(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public BigDecimal getBigDecimal(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public BigDecimal getBigDecimal(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public BigDecimal getBigDecimal(String columnLabel, int scale) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public InputStream getBinaryStream(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public InputStream getBinaryStream(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Blob getBlob(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Blob getBlob(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean getBoolean(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public byte getByte(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public byte getByte(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public byte[] getBytes(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public byte[] getBytes(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Reader getCharacterStream(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Reader getCharacterStream(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Clob getClob(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Clob getClob(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getConcurrency() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public String getCursorName() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Date getDate(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Date getDate(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Date getDate(int columnIndex, Calendar cal) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Date getDate(String columnLabel, Calendar cal) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public double getDouble(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public double getDouble(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getFetchDirection() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getFetchSize() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public float getFloat(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public float getFloat(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getHoldability() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getInt(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public long getLong(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public long getLong(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public MemorizedResultSetMetaData getMetaData() {
		if (resultSetMetaData != null) {
			return resultSetMetaData;
		}
		throw new UnsupportedOperationException();
	}

	@Override
	public Reader getNCharacterStream(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Reader getNCharacterStream(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public NClob getNClob(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public NClob getNClob(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public String getNString(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public String getNString(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Object getObject(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Object getObject(int columnIndex, Map<String, Class<?>> map) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Object getObject(String columnLabel, Map<String, Class<?>> map) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public <T> T getObject(int columnIndex, Class<T> type) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public <T> T getObject(String columnLabel, Class<T> type) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Ref getRef(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Ref getRef(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public RowId getRowId(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public RowId getRowId(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public SQLXML getSQLXML(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public SQLXML getSQLXML(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public short getShort(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public short getShort(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Statement getStatement() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public String getString(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Time getTime(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Time getTime(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Time getTime(int columnIndex, Calendar cal) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Time getTime(String columnLabel, Calendar cal) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Timestamp getTimestamp(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Timestamp getTimestamp(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public int getType() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public URL getURL(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public URL getURL(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public InputStream getUnicodeStream(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public InputStream getUnicodeStream(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public SQLWarning getWarnings() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void insertRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean isAfterLast() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean isBeforeFirst() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean isClosed() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean isFirst() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean isLast() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean last() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void moveToCurrentRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void moveToInsertRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean previous() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void refreshRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean relative(int rows) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean rowDeleted() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean rowInserted() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public boolean rowUpdated() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void setFetchDirection(int direction) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void setFetchSize(int rows) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateArray(int columnIndex, Array x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateArray(String columnLabel, Array x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateAsciiStream(String columnLabel, InputStream x, int length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateAsciiStream(String columnLabel, InputStream x, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBigDecimal(String columnLabel, BigDecimal x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBinaryStream(String columnLabel, InputStream x, int length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBlob(int columnIndex, Blob x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBlob(String columnLabel, Blob x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBoolean(int columnIndex, boolean x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBoolean(String columnLabel, boolean x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateByte(int columnIndex, byte x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateByte(String columnLabel, byte x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBytes(int columnIndex, byte[] x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateBytes(String columnLabel, byte[] x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateCharacterStream(String columnLabel, Reader reader) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateCharacterStream(String columnLabel, Reader reader, int length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateClob(int columnIndex, Clob x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateClob(String columnLabel, Clob x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateClob(int columnIndex, Reader reader) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateClob(String columnLabel, Reader reader) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateClob(int columnIndex, Reader reader, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateClob(String columnLabel, Reader reader, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateDate(int columnIndex, Date x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateDate(String columnLabel, Date x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateDouble(int columnIndex, double x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateDouble(String columnLabel, double x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateFloat(int columnIndex, float x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateFloat(String columnLabel, float x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateInt(int columnIndex, int x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateInt(String columnLabel, int x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateLong(int columnIndex, long x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateLong(String columnLabel, long x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNCharacterStream(String columnLabel, Reader reader) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNCharacterStream(String columnLabel, Reader reader, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNClob(int columnIndex, NClob nClob) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNClob(String columnLabel, NClob nClob) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNClob(int columnIndex, Reader reader) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNClob(String columnLabel, Reader reader) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNString(int columnIndex, String nString) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNString(String columnLabel, String nString) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNull(int columnIndex) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateNull(String columnLabel) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateObject(int columnIndex, Object x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateObject(String columnLabel, Object x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateObject(int columnIndex, Object x, int scaleOrLength) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateObject(String columnLabel, Object x, int scaleOrLength) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateRef(int columnIndex, Ref x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateRef(String columnLabel, Ref x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateRow() throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateRowId(int columnIndex, RowId x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateRowId(String columnLabel, RowId x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateSQLXML(String columnLabel, SQLXML xmlObject) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateShort(int columnIndex, short x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateShort(String columnLabel, short x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateString(int columnIndex, String x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateString(String columnLabel, String x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateTime(int columnIndex, Time x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateTime(String columnLabel, Time x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	@Override
	public void updateTimestamp(String columnLabel, Timestamp x) throws SQLException {
		throw new UnsupportedOperationException();

	}

	/**
	 * Meta data.
	 */
	public static class MemorizedResultSetMetaData implements ResultSetMetaData {
		private final int numCol;
		private final String[] names;
		public final int[] types;
		public final String[] typeNames;

		public MemorizedResultSetMetaData(int numCol, String[] names, int[] types, String[] typeNames) {
			this.numCol = numCol;
			this.names = names;
			this.types = types;
			this.typeNames = typeNames;
		}

		@Override
		public <T> T unwrap(Class<T> iface) throws SQLException {
			return null;
		}

		@Override
		public boolean isWrapperFor(Class<?> iface) throws SQLException {
			return false;
		}

		@Override
		public boolean isWritable(int column) throws SQLException {
			return false;
		}

		@Override
		public boolean isSigned(int column) throws SQLException {
			return false;
		}

		@Override
		public boolean isSearchable(int column) throws SQLException {
			return false;
		}

		@Override
		public boolean isReadOnly(int column) throws SQLException {
			return true;
		}

		@Override
		public int isNullable(int column) throws SQLException {
			return 0;
		}

		@Override
		public boolean isDefinitelyWritable(int column) throws SQLException {
			return false;
		}

		@Override
		public boolean isCurrency(int column) throws SQLException {
			return false;
		}

		@Override
		public boolean isCaseSensitive(int column) throws SQLException {
			return false;
		}

		@Override
		public boolean isAutoIncrement(int column) throws SQLException {
			return false;
		}

		@Override
		public String getTableName(int column) throws SQLException {
			return null;
		}

		@Override
		public String getSchemaName(int column) throws SQLException {
			return null;
		}

		@Override
		public int getScale(int column) throws SQLException {
			return 0;
		}

		@Override
		public int getPrecision(int column) throws SQLException {
			return 0;
		}

		@Override
		public String getColumnTypeName(int column) throws SQLException {
			return null;
		}

		@Override
		public int getColumnType(int column) {
			return 0;
		}

		@Override
		public String getColumnName(int column) {
			return names[column - 1];
		}

		@Override
		public String getColumnLabel(int column) throws SQLException {
			return names[column - 1];
		}

		@Override
		public int getColumnDisplaySize(int column) throws SQLException {
			return 0;
		}

		@Override
		public int getColumnCount() throws SQLException {
			return numCol;
		}

		@Override
		public String getColumnClassName(int column) throws SQLException {
			return null;
		}

		@Override
		public String getCatalogName(int column) throws SQLException {
			return null;
		}
	}

}
